Windows: Clarify WORKDIR in docs
Windows: Clarify WORKDIR in docs

Signed-off-by: John Howard <50ae662f5fcde39b7d1ed786133b7c61a25411dd@microsoft.com>

redpanda/cli,dnephin/cli,ashfall/cli,docker/cli,allencloud/cli,thaJeztah/cli,e11137/cli,Zebrilee/cli,e11137/cli,riyazdf/cli,redpanda/cli,cpuguy83/cli,dnephin/cli,thaJeztah/cli,Zebrilee/cli,docker/cli,cpuguy83/cli,riyazdf/cli,ashfall/cli,allencloud/cli